<!DOCTYPE html>
<html>
<head>
	<title>相对定位</title>
</head>
<body>
	<style type="text/css">
		div.r{
			position: relative;
			left: 0;
			top: 0;
		}
		div.lo{
			position: absolute;
			left: 150px;
			top: 0px;
		}
	</style>
	<p>正常文字1</p>
	<p>正常文字2</p>
	<div class="r">
		<div class="lo">3</div>
	</div>
	<p>正常文字4</p>
	<p>正常文字5</p>
</body>
</html>